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Oldsmobile 25036601 Switch Asm,Efe Heater Engine Coolant Temperature

1982-1986 Oldsmobile

Customer Questions & Expert Answers (3)
25036601 GM Switch Asm,Efe Heater Engine Coolant Temperature Product Photo 1 of 2
  • Part Description
    SWITCH
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Oldsmobile
    Manufacturer Part Number25036601
    Part DescriptionSWITCH
    Other NamesCoolant Temperature Switch, EFE Temperature Switch
    Item Dimensions3.2 x 1.5 x 1.6 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25036601
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1986 Oldsmobile Cutlass6 Cyl 2.8L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, LS 2 DOOR NOTCHBACK, LS 4 DOOR, LS STATION WAGON, S 2 DOOR
    1983-1986 Oldsmobile Firenza4 Cyl 2.0L2 DOOR, 2 DOOR NOTCHBACK, 2 DOOR PLAIN BACK HATCHBACK, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 2 DOOR PLAIN BACK, BROUGHAM 4 DOOR, BROUGHAM STATION WAGON, STATION WAGON
    1982-1984 Oldsmobile Omega6 Cyl 2.8L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 25036601 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    For a 1986 Buick Century, what is the state of the Coolant Temperature Sensor circuit in scenarios above calibration? Posted by Claire M.
    A:
    In scenarios above calibration, the circuit is closed. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Apr 16, 2026
    Q:
    What is the coolant temperature indicator system composed of, including the Coolant Temperature Sensor, for the 1984 Pontiac Firebird? Posted by Wayde H.
    A:
    The coolant temperature indicator system is composed of a light mounted in the instrument panel and a coolant temperature sending unit. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Jul 10, 2025

Genuine GM Part 25036601, the Right Choice

To ensure reliability, purchase GM part # 25036601 Switch Asm,Efe Heater Engine Coolant Temperature. It is sometimes referred to as Oldsmobile Coolant Temperature Sensor. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Oldsmobile Cutlass, Firenza, Omega models.

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